Horsechestnut – Guignardia Blotch
Guignardia aesculi
Horsechestnut – Guignardia Blotch Signs & Symptoms
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- Infected leaf
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- Leaf spot with pycnidia evident
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- Leaf spot with pycnidia evident
Horsechestnut – Guignardia Blotch Pathogen
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- Top of pycnidium showing ostiole
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- Cross-section of pycnidium in leaf tissue
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- Cross-section of pycnidium
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- Conidia with mucoid appendages
